<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="./css/base.css">
<script src="./js/codergege.js"></script> 
<script src="./js/9.js"></script>
</head>
<body>
<div id="div1">
	<input id="btn1" type="button" value="按钮1">
	<input type="button" value="按钮2">
	<input type="button" value="按钮3">
</div>
</body>
</html>
